HydroBASINS lev08 watershed · #1080020340
Bassin de Dounvou
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions : Basse Banio, Mougoutsi
Sub-basin area
980,5km²
Upstream area
980,5km²
Discharge
27,14m³/s
Mean elev.
206m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 888.4 km²91.0% of basin
- 76.0 km²7.8% of basin
1 intersecting protected areas
Parc marin de l'embouchure de la Banio
IUCN Not ReportedMarine park
3.49 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
351 distinct species · 1 615 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
24,3°C
Annual rain
1 669mm
Moisture idx (CMI)
0,08
Runoff
932mm/an
PET
1 535mm
AET
1 214mm
Mean slope
5,4°
Water table
233cm
Forest
97%
Crops
5%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)